About: http://webisa.webdatacommons.org/344817483

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	If you already use subject which should be included in the TOC you can easily create your own types based on the existing ones.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com